Cat litter box



FIG. 1 is perspective view of a cat litter box incorporating our new design, viewed from in front of, above, and from the right side thereof;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a right side elevation view thereof, the left side elevation view being a mirror image.

The broken lines in FIGS. 4 and 5 are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a cat litter box, as shown and described. 